.de-main {
    padding: 30px 0;
    background-color: rgba(248, 250, 252, 1);
}

.regulation-block {
    padding: 0 0 60px;
}

.regulation-block-title {
    font-size: 18px;
    line-height: 60px;
    color: rgba(32, 32, 32, 1);
    border-bottom: 1px solid rgba(227, 227, 227, 1);
    margin-bottom: 20px;
}

.regulation-block-list {
    padding: 0 20px;
}

.regulation-block-list .regulation-block-item {
    display: block;
    font-size: 16px;
    color: rgba(51, 51, 51, 1);
    line-height: 67px;
    border-bottom: 1px dashed rgba(227, 227, 227, 1);

}

.regulation-block-item:last-child {
    border-color: transparent;
}

.regulation-block-item span {
    color: rgba(153, 153, 153, 1);
    margin-right: 20px;
}

.rd-box {
    width: 880px;
    margin: auto;
    background: rgba(255, 255, 255, 1);
    box-shadow: 5px 5px 10px 0px rgba(0, 0, 0, 0.05);
    padding-bottom: 70px;
}

.rd-box-head {
    width: 100%;
    height: 105px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: rgba(51, 51, 51, 1);
    border-bottom: 1px solid rgba(227, 227, 227, 1);

}

.rd-box-head h2 {
    font-size: 26px;
    color: rgba(51, 51, 51, 1);
}

.rd-box-head span {
    font-size: 16px;
    margin-top: 15px;
}

.rd-box-content {
    padding: 15px 38px;
}

.rd-box-content h4 {
    font-size: 18px;
    line-height: 48px;
    color: rgba(0, 0, 0, 1);
}

.rd-box-content p {
    font-size: 16px;
    line-height: 32px;
    color: rgba(51, 51, 51, 1);
}